Love putting your cooking oil by the kitchen window? That can typically ruin the freshness of your oil. But with the 1 Liter Square Glass Bottle with Oil Spout, sunlight will no longer be a problem. Our biggest cooking oil bottle, this one offers unparalleled power among all other kitchen bottles out there. Yes, its rich purple glass looks stunning on any kitchen counter, but that’s where this bottle’s secret lies. Its European ultraviolet glass refracts damaging visible light while selectively letting beneficial rays to pass through and nourish your cooking oil. Enjoy delicious olive oil, vinaigrette, or salad dressing with every pour and keep it fresh for years more in this bottle.